Structures and Functions in Living Organisms

Question 1

What are the levels of organisation within organisms?

Smallest to largest

Answer 1

Organelles, cells, tissues, organs and systems

Question 2

What is the function of the nucleus?

Answer 2

It contains the majority of the cell’s genetic information, stored as chromosomes (made of DNA + proteins)

Question 3

What is the function of the cytoplasm?

Answer 3

The cytoplasm contains the enzymes for reactions

It also fills the cell, gives it structure and holds the organelles in place

Question 4

What is the function of the cell membrane?

Answer 4

It protects the cell from its surroundings and it controls what enters and leaves the cell

Question 5

What is the function of the cell wall?

Answer 5

It strengthens the cell and gives it structure

Question 6

What is the function of the chloroplasts?

Answer 6

They contain chlorophyll molecules, which convert light energy into sugars using photosynthesis

Question 7

What is the function of the vacuole?

Answer 7

Stores cell sap to maintain cell rigidity